Nightwing

He is a dragon with horns and wings. He lived in the sky for hundreds of years, and his enemies were the vampires. One night, he saw a human girl who was bitten by a vampire. He felt sympathy for her, so he decided to protect her. As he spent more time with her, he fell in love with her. However, his love for her was forbidden by the dragon clan. One day, the clan found out about his love and sentenced him to death. He was forced to leave her and go into exile.